接着运动矢量滤波器修正了由于局部相似造成的错误运动矢量。
Second, a motion vector filter (MVF) is introduced to correct the false estimated motion vectors caused by partial similarity in the video sequences.
采用不同数据源获取的干涉图进行了矢量滤波和频谱加权滤波实验。
Some interferograms derived from different systems were filtered by vector filter and by spectrum weighting filter.
SAR图像的相干斑会影响图像的分类准确度和精度,在进行分类处理前,对双波段全极化SAR图像相干斑进行矢量滤波处理。
Speckle in SAR images will disturb classification accuracy. Vector filter of speckle is used to dual-frequency images before classification.
借助于移动目标的运动矢量模型以及GPS定位误差模型建立了滤波方程。
By means of kinetic vector model of mobile object and GPS location error model, the filtering equation are presented.
结合矢量观测的特点,基于最小模型误差准则给出了一种确定卫星姿态的实时估计算法,称为预测滤波算法。
Considering the character of vector observation, a real time predictive filter based on minimum model error (MME) criterion is presented for satellite attitude estimation.
在分析彩色图像噪声的来源和滤波的一般方法的基础上,提出了一种基于矢量中值滤波算法的改进方法。
Based on analyzing the reasons of the color image noise and the general algorithm of color image filtering, this paper presents a modified way of vector median algorithm for color image filter.
利用该模式函数对另一组NSCAT后向散射系数数据进行海面风场反演,采用最大似然估计确定多个风矢量解,并采用矢量中值滤波消除多解。
This model function is applied to NSCAT data to retrieve wind vectors, with the Maximum-Likelihood Estimator to get a set of ambiguous wind vectors and a vector filter technique to remove ambiguities.
文章提出一种新的快速矢量中值滤波算法。
基于适于CDMA的匹配滤波波束形成准则,提出使用幂法计算权矢量的波束形成的新方法。
Based on the matched filter beamforming criterion in CDMA, a novel method called power method is proposed to compute the weight vector to beamform.
采用改进的自适应矢量中值滤波法,对脉冲噪声有选择地滤除。
On the basis of the results, an approach of improved median filtering is applied to selectively remove the impulse noises in a color image.
将白化滤波后的降维数据矢量看作是单用户的系统,研究了迭代最小二乘(ils)检测和最小均方误差(MMSE)检测。
Then, the whitened dimension-reduced data vector as a single user model is looked, the Iterative Least Squares (ILS) detection and Minimum Mean Square Error (MMSE) detection are researched.
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
基于无轴承永磁同步电机的矢量控制系统,提出了采用扩展卡尔曼滤波器实现无速度传感器运行的控制策略。
Based on vector control system of Bearingless Permanent Magnet Synchronous Motor (BPMSM), a speed-sensorless control strategy using Extended Kalman Filter (EKF) was presented.
滤波对象必须是满足一定要求的矢量信号。
The filter object must be a vector signal satisfied the certain request.
本文提出了一种基于最优电压空间矢量的有源滤波器滞环电流控制方法。
An optimized space voltage vector (OSVV) Based hysteresis current control method for active power filters is proposed.
提出一种新型的四桥臂三电平并联有源电力滤波器(APF)的空间矢量控制策略。
A novel space vector control strategy is proposed for four-leg three-level shunt active power filter (APF).
本文通过仿真研究了级联型STS - SVM多电平变流器在电力有源滤波器和交流电机矢量控制变频调速系统中的应用问题。
In this paper, the applications of cascade STS-SVM multilevel converters on active power filter and ac motor vector-controlled transducer are researched through simulation.
然后对得到的运动场进行中值滤波和判别,剔除运动不一致或错误的运动矢量;
Then the resulting motion field is median filtered and differentiated to remove inconsistent or wrong vectors.
将TVAR模型的信号和反射系数矢量增广为状态矢量后,应用高斯粒子滤波器(GPF)估计TVAR的模型参数,构造了语音增强算法。
When TVAR model signal and reflection coefficients were extended to state vector, Gaussian Particle Filter (GPF) was applied to estimate parameters of TVAR model.
通过分析彩色图像的数据格式,将八叉树量化方法用于彩色图像的颜色信息量化,并采用矢量中值滤波消除彩色图像噪声,以实现对彩色图像的合理预处理。
Then the experimental results show that the vector median filtering algorithm based on PCNN and HIS not only can effectively remove the noise, but also can protect the details of color image better.
本部分研究通过把表面法矢量视为离散矢量信号,引入信号处理中滤波器的方法来平滑表面法矢量。
In this paper, the signal processing methods are introduced to improve the effect of display by regarding surface vectors as discrete vector signals and implementing low-pass filtering on them.
利用计算出来的速度反馈构成了速度闭环系统,并采用低通滤波方法减小误差,同时应用了零矢量调制控制法减小转矩脉动,提高了整个系统的控制性能。
Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.
同时对运动矢量在时域上进行平均,在空域上进行带权矢量中值滤波处理。
Motion vectors are dealt with temporal average filter and a spatially weighted vector median filter.
本文针对无速度传感器异步电机矢量控制系统,提出了一个基于卡尔曼滤波器的异步电机速度辨识方法。
For a vector control of a speed sensor less induction motor drive system, a novel speed estimated method using an extended Kalman filter is proposed.
该方法将树型小波中颇纹理能量特征、灰度共生矩阵特征、树型小波滤波后的灰度组成的特征矢量对SAR图像进行分类。
The feature vector is composed of wavelet texture energy features, texture features based on the gray-level co-occurrence matrix and the tone of filtered SAR image by using tree wavelet.
提出了一种基于优化电压矢量的有源滤波器定频滞环电流控制新方法。
In this paper a novel hysteresis current control method based on quasi optimized space voltage vectors for Active Power Filters (APF) with constant switching frequency is proposed.
对于亚像素精度,它支持与六抽头插值滤波器四分之一像素运动矢量。
For subpixel precision, it supports quarter-pel motion vectors with a 6-tap interpolation filter.
所做工作主要有两方面:一是矢量量化编码中的格型矢量量化,另一个是梅花型方向滤波器的提升实现。
The work can be mainly divided into two aspects: lattice vector quantization in vector quantization coding for images and the lifting realization of the quincunx directional filter banks.
误差图像进行分形矢量量化编码时,使用设计的自适应二维维纳数字滤波器,对收缩的均值图像进行滤波后,可构造好的码书。
When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.
文中最后讨论了矢量中值滤波在零偏移距VSP资料处理中的应用和效果。
The paper fin- ally describes both the application of VMF to zero-offset VSP data processing and the effect.
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